20870052

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4073}}^1$

素因数の和:4148

約数の個数: 48

約数和(自身を含む): 56579712

約数和(自身を除く): 35709660

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 61, 84, 122, 183, 244, 366, 427, 732, 854, 1281, 1708, 2562, 4073, 5124, 8146, 12219, 16292, 24438, 28511, 48876, 57022, 85533, 114044, 171066, 248453, 342132, 496906, 745359, 993812, 1490718, 1739171, 2981436, 3478342, 5217513, 6956684, 10435026, 20870052]

約数ペア:

[(1, 20870052), (2, 10435026), (3, 6956684), (4, 5217513), (6, 3478342), (7, 2981436), (12, 1739171), (14, 1490718), (21, 993812), (28, 745359), (42, 496906), (61, 342132), (84, 248453), (122, 171066), (183, 114044), (244, 85533), (366, 57022), (427, 48876), (732, 28511), (854, 24438), (1281, 16292), (1708, 12219), (2562, 8146), (4073, 5124)]